TY - RPRT TI - A reconnaissance geochemical survey of the Clarion River Roadless Area, Allegheny National Forest, Elk County, Pennsylvania AU - N. L. Hickling AU - Stanley P. Schweinfurth AU - Betty M. Adrian PY - 1983 DO - 10.3133/ofr8322 UR - https://pubs.usgs.gov/publication/ofr8322 ID - ofr8322 ER -